$103 Find Cheap Flights from Washington to Australia – Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Australia.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Australia is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington to Australia with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington to Australia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 120 airports in Australia. The busiest airport is Sydney Airport (SYD), with 26% of all flights arriving there.

The cheapest month for flights from Washington to Australia is September, when tickets cost $813 (return) on average. On the other hand, the most expensive months are July and December, when the average cost of round-trip tickets is $1,263 and $1,121 respectively.

To get a below-average price on the flight from Washington to Australia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

An average direct flight from Washington to Australia takes 28h 07m, covering a distance of 20533 km. The shortest route is Seattle (SEA) to Brisbane (BNE) with an average flight time of 18h 10m.

Based on KAYAK flight searches, the most popular destination is Sydney (50% of total searches to Australia). The next most popular destinations are Melbourne (38%) and Perth (4%). Searches for flights to Brisbane (3%), to Adelaide (2%), and to Coolangatta (1%) are also popular.